Jointing-machine.



J. RLTHOMASxYz P. A. SOLEM.

JOIN TIN G MACHINE. APPLICATION FILED Amajls, 190s.

Patented Feb. 16, 1909.

4 SHEETS-SHEET; 1.

J. R. THOMAS & P. A. SOLEM.

JOINTING MACHINE. APPLICATION FILED 111 11.13, 1908.

4 SHEETS-SHEBTZ.

Patented Feb I ?////4 ll 4 J. R. THOMAS & P. A. SOLEMQ JOIN TINGMACHINE. APPLICATION FILED APR.13, 1908.

Patented "Feb. 16, 1909.

' .4 SHEETS-SHEET 8.

J. R. THOMAS & P, A. SOLEM.

JOINTING MACHINE.

APPLICATION FILED APR. 13, 1908.

Patented Feb. 16, 1909.

4 sums-sum 4.

nm'rnn warns r rnnr OFFICE.

JOHN R. THOMAS AXll ll-lil'llt A. SUlillivl, ()l (.iXUiXNl'lI, lI'lIO,ASSIGNORS TO J. A. FAY & EGAN COMPANY, or tlNClNNA'li, (M110, 1\CORPORATION OF WFST VIRGINIA.

JOINTING-MACHINE Specification of Letters Patent.

Patented Feb. 16. 1909.

Application filed April 13, 1908. Serial No. 426,905.

.1 '0 all whom it may concern:

Be it known that we, J ()IIN it. 'inoMAs and PETER A. SOLEM, citizens ofthe United States, residing at Cincinnati, in the county of Hamiiton andState of Ohio, have jointly invented certain new and uscfui Improvementsin Jointing-Machines, of which the following is a specification.

Our invention relates princi )ally to socalled glue jointers in which te edges of boards are provided with joints for gluing purposes.

In making giue joints it is often desirable to make either round jointsor hollow joints, the round joints being joints in which the jointedface is siig'htly convexed lengthwise of the edge of the board, thehoiiew joints being joints in which the jointed face is sightiy concavedlengthwise of the edge of the board, and we-accompiish this in novelmanner in our improved device.

The invention will be readiiy understood from the following descriptionand claims, and from the drawings, in which latter:

Figure 1 is a plan view of our improved device, broken away in parts forbetter illustration. Fig. 2 is a side elevation of the same; Fig. 3 is alongitudinal section of the same on the line z2 of Fig. 1. Fig. 4 is anend elevation of our improved device. Fig. 5 is vertical cross-sectionof the same on the line y-y of Fig. 1. Fig. 6 is an enlarged detail insection on the iine 9-JZ of Fig. 3,

' showing the means for bendin the chainiii guide frame out ofparallelnvitai the tables. Fig. 7 .is an eniarged detail in section onthe line ic -w of- Fig. 3 showing the construction of the feeding-cluiinand its oiling means.

Fig. 8 is a detail in ser-ionon the line 9) of Fig. 5 and Fig. F) adiagrammatic representation of the springing of thechain-guide frame outofparailel with the tabies, shown exaggerated.

lv represents a main frame on which a chain-guide frame 2 isstationarily secured, the lattei having chain-guidcways 3 4 ex tending.longitudinaliy along its side edges in, which a'feed-chain 5 is adaptedto travel.

The feed-chain comprises links 6 having rc- (to ses 7 at their innerfaces into which the teeth SJof wheeis 9 1t) engage ior feeding thecharm-the wheel 9 being shown as the feed when. and the wheel 11) beingan idler-whee",

the fer'ifi daain being stretched in two feeding chain-guide frame,these feeding stretches travciing in opposite directions as shown by thearrows a. The feeding-faces of said iinhs are preferably each providedwith a ribbed or knurled surface for making contact with the side of theboard. The chaiin guidcways are provided with gibs 12 adjustable bybolts 13. l

The main frame is provided with tables 14 15 at its respective sides,the chain-guide frame being located between said tai-s,the upper face ofthe main frame being preferably provided with a recess 16 between saidtabies for receiving and positioning said guide-way frame laterally.frame is station'arily secured at each end to the main frame, as bhaving bolts 17 pass therethrough into t re main frame. The bottom ofthe chain-guide frame is provided throughout its length between its endswith a recess 18, thereby spacing the chain-guide frame from the mainframe througl'iout its length except at its ends, where restingfaccs 1!)on the chain-guide frame contact and are clamped upon resting-faces 20on the main frame.

T he tables on the mainframe and the clrain-guideways in the chain-guideframe, as well as the resting-faces 19 20, are first carefully planedinto relatively true parallel lines so that the normal positions of thechain guideways are parajlel with the tables. The chain-guide frame ishowever capableof being sprung into continuous rounding form up or downwith relation to the tables in manner and for purposes hereinafterdescribed. The chain-guide frame is pro vided with longitudinalextensions 21 22 at its respective ends.

()ilcups 23 24 separated by the web 25, are provided in the chain-guideframe at the beginning of each guideway, which communicate respectivelywith the chain by means of an aperture 26 at the top of the gnidc-wayand apertures 2" at the inner face of said guide-way. Each of thechainlinks has separated cars 28 at one end and an intermediate car 29at its other end providcd respectively with pivot-pin holes 30 31 whichregister at the ends of adjoining ears for the reception of a pin 32having a head. 33 received in a recess 34at the upper end of theapertures, those pins being merely dropped into the apertures andresting stretches at the respective sides of said 1 loosely therein sothat any of the pins along The chain-guide i by means of at any point,the pins passing under the oilapertures 26.

The feed-wheel 9 is on an upright shaft35' 'ournaled in bearings 36 onthe frame and aving' a worm-wheel 37 thereon which is meshed by a worm38 on a cross-shaft 39 journaled in bearings-40 on the frame andoperated by suitable means as b a cone pulley 41 through a clutch42. heshaft 35 is journaled at its upper end in a bearing 43 of a housin 44secured to the main frame olts 45 at its outer end and having theextensions 21 of the chainuide frame 2 received between its inner en andthe main frame, bolts 46 passing through said inner end into saidextensions for rigidly securing said end to the frame.

The idler-wheel 10 is mounted on an upright shaft 47 which is journaledin bearings 48 49 of a slide 50, the slide com rising at housing 51 inwhich the idler-whee rotates, the housing having a depending leg 52received' between the extensions 22, to which leg the lower bracket53,'on which the bearing 49 is located, is bolted, the housing beingsecured directly to the frame at its outer 'ment in said end by bolts 54passing into the frame throng slots 55 and at its inner end by bolts 56passing through slots 57 into the extensions 22 of the' chainuide frame.For adjusting the tension on t e feed-chain a bolt 58 is provided whichpasses through a threaded aperture in the rib 59 of the chainuide frameand contacts said housing. ter adjustment of tension the housing isbolted in place by means of the bolts 54 56. 61 62 are pressure-bars atthe respective sides of the machine, each of which carries a series ofpressure-rollers 63. Each of the pressure-rollersis referably mounted ona shaft 65 journaled 1n a yoke-67, these yokes being received side byside in a longitudinal recess 68 of thepressure-bar. These yokes havesliding contac}; with each other at their sides and are iided verticallyby the upper and lower wal s of said recess 68. A threaded stem 69 issecured to each of the yokes and passes through an aperture in the outerside wall of the pressure-bar in which it.has sliding movement, a spring71 bein interposed between the pressure-bar and t e yoke for normally urmg the pressure-roll inward, nuts'72 73 limiting this inward movement.The pressure-bars are mounted at their ends on brackets 76 secured tothe frame and are slidable toward. and from the chain-guide frame onthese brackets by means of positioning screws 78 threaded in In s 80 ofsaid brackets and held against en wise moveressure-bars. Cutter-hes 9192 rotate in vertical planes between the respective stretches of thefeed-chain and the pressure-bars and are respectively mounted on shafts93 94 separated from each other and respectively j ournaledQin bearings95 of a slide 96 s idable longitudinally in guide-ways 97 of .a saddle98 and adjustable longitudinally by means of'a screw-rod 99 journaled i:a lug 100 on said slide and threaded into a lug 101 on said saddle; Wehave also, provided means for adjusting said cutter-heads up andv down,

and in certain classes of work it is desirable to adjust thecutter-heads at an angle to their normal horizontal rotary axes, and forobtaining the best results we have provided pivots for the cutter-headsaddles closely adjacent to said cutter-heads and we accomplish theadjustment by mounting each sad e on a ivot 102 at the inner end of saidsaddle c osely adjacent the. cutter-head thereon, the pivot receivinsupport on a slide 103, adjustable up an [down on the frame in aslide-way 104 by means of a threaded rod 105 journaled in a lug 106 onthe main frame and threaded into said slide. The outer end of saidsaddle receives support from a bolt 107 threaded into the 'slide103.Lugs 108 depend from said' saddles and are located at the respectivesides of'said slide, a

moved from their s indles inwardly by ma- 5 nipulation by the c amp-nuts119, the inner ends of the cutter-head shafts being preferably separatedso that the heads may be readily slipped on and oil the same from theinner ends of said shafts. Belowthe opening 116 the frame is providedwitha shavingchute 120, so that ,the shavings from both heads may bereceived by the one chute which is common to both heads and removedtherefrom through the opening 121 at its bottom. The cbain-gui wvayframe is preferably provided. with the cross-ribs 122 at said opening117.

As hereinbefore stated the chain-g'uideway frame is rigidly securedto'the main frame at the ends of said -cl1aiu-guidewa frame, theguideways therein being paralle with the tarod 109 passin throughapertures bles, the full length of said chain-guide frame 7 being spacedfrom the main frame except at its ends, thus spacing it from the mainframe throughout its length intermediate of 4 its ends. Our object in'doing this is to permit us to spring the chain-guideframe independentlyat either side thereof upward y or downwardly out of true horizontalplane or straight line ed as to give the chain-guideway wardly ordownwardly curred (:ourselengthcurve, and the interior holt is thenehnnped vexed or caneaved lengthwise ol' the board time havingdemonstrated that it is desirable at either side of said guideway framea slight upward or downward rounding to cause the. stretch of the chainto follow a slightly up- Wise of the board, and we accomplish this byproviding a hollow bolt 326 at each side of said chain-guide frameinterinmliate of its ends, shown adjacent its middle, threaded into saidchain-guide Frame at said point. The bottom of this bolt is arranged to(:on tact the eross-wel 1;? ol' the main frame, a bolt 128 passingthrough eneh of said hollow bolts and threaded into said eross-weh. Theehain-guideway frame is of slighter construetion than the main 'l'raine.t illlfillig the spring:- ing to take plaee in the guidewar iraine, asshown exaggerated at f; and r in ii if new it is desired to give the r.u-e'nideway at either side an upward rounding, the hollow bolt at thatside screwed downwardly against the main frame until the chainguidewayhas been given its proper bend or tightly in place for holding the partsin posi-' lion. If it is desired to dive said ehainguideway a downwardrourulinth the hollow bolt is screwed in the reverse direction and theinterinixliate holt used to (lump said side of the chain-g nidewadownwardly until the inner end of the hollow bolt strikes the mainframe, the hollow bolt being"adjusted for properly positioning thisinuard bend. in this manner we provide convenient and simple meanswl'iereby the edge ol' the board may be given a slightly inwarddepression for forming what; may he termed a hollow joint or a slightoutward rounding for forming what may be termed a rounding joint, thatis, the joint may be either slightly eon for forming a mostdesirahleglue joint, preeto give a glue joint either a Hll llll'eont-avity or a sligl-it convexity lengtliwi e oi the hoard inpreference to a stmigght line. ln praetiee this rounding in eitherdireetion is out slight, and as an 'exeinplitieation, it may he statedthat an adjustment of e olts :it? 128 of 1/16 of an int-h, for This 5 oriowering the chain-guilteway at the bolt position 1/32 of an inch out.of level with its ends, which may he instaneed at shout l leer a art,will aeeomplish our purposes In t is manner the ehainqruiden'a isrounded out of a. true stri'iigiht line for eausine' the stretch of thechain to follow a similar eourse -,The resultant o'r feeding the lioaril l 'l l i ililtltlflll the machine over the eutter--he=ul with its sideagainst the chain l ollonin this eonrse 5 is-that its edge is provide? ietma'exed l or concaved joint, he -e the direetion, down or up, in whiehguide has) the been. sprung I At the feeding-m end or said respectablesa, liiP-l)2lt)ti3l 133 is prorn i said plane upper surfaces of suit eaehof the cutter-heads, this chip-breaker being sunk to the level of thetable-top in a recess 13 i and adjustable toward and from thecutter-heart and held in adjusted position by a counter-sunk screw 135passing through a slot 136 in-the chip-breaker.

In making some glue-joints the board will plane of the table. i

, supvertical e rrdsod in ar and lowered by the stuh swinging i, thelinger on us pivot into propi-i-r iElGVfitlOIl frame in when it may beclamped to the bolt 142.

adjusted position by means of the The linger normally rests in a. reeess146 of the table.

Having thus fully described our invention what we claim as new byLetters Patent is:

l. A jointing machine for feeding a board edge'nise over a cutter-head,comprising a table and a chain-guide sprung into a 'continuous curvefrom end to end vertically of vsaid table.

2. In a jointing machine, the combination of a main frame provided withtables hYtV- int: plane upper surfaces, :1 ehain-guide-wey l'ruinerigidly secured at its ends u onsaid main frame and loeatedhet'itesrrsaid tables and having llIIlIPQUlLh sysinitssideed said sideedges of said chain guideway fr .438 being respectively sprung intocontinuous curves from end to end vertically of said respeetive tables,\VlUI-l'thjf said eh regattal\;i '.'v1!l respet iiyely sprusi 'nto euri;s ironi end to and tables, sulzstantially jointing liiin. n or feeding;hoards err-r eutterdieads eomprising a table and a ehain-guide having achainguidev. a) at eaeh side edge thereof sprung nto a i-ontinuouseurvefrozn end toendverlltzill f of said table.

4. in z jointing machine, the combination of a main frame provided .ithtahles having lane upper surtures and a ehaiihgui'iieway frame rigidlyseeured at its ends u on'said and desire to secure .main frame andloeated het een said tables and having ehain-e'uiilerrays thereinnormally parallel in horizontal ilanes nit-h itahles, said main framehaving a recess at its top betueen said tahles l'or reeeirine saidehninguidewa-y l'ranie, an endless feeding-ehnin the stretches of whichare guided lzy said .voted on and main frame.

uideways, said stretches of feeding-chain eing inside the outer edges ofsaid tables,-

I chain-guideway frame adjacent its middle connecting saidchain-guideway frame and main frame for bending said chain-guidewayframe from its ends in a continuous curverelatively to .said tables,substantially as described. k

5. In a jointing machine, the combination of-a main frame rovided withtables having lane upper su races and a chain-guideway frame rigidlysecured at its endupon said main frame and located between said tablesand having chainuideways therein normally parallel in iorizontal planeswith said plane upper surfaces of said tables, said main frame having a.recess at its top between said tables for receiving said chainguidewayframe, an endless feeding-chain.

the stretches of which are uided by said uideways, said stretches offeeding-chain being inside the outer edges of said tables, pressuremeans for said stretches of feedingchain outside the inner edges of saidtables, said chain-guideway frame being spaced from said main framethrou hout its len th between its ends, and a hollow bolt an a threadedbolt therein at each side of said chain-guideway frame adjacent itsmiddle connecting said chain-guideway frame and main frame for bendingsaid chain-guidevray frame from its ends in a continuous curverelatively to said tables, a feed-*q'heel at each end of, saidfeed-chain, a housing for each of said feedewheels, said chain-guideu'ayframe having extensions at its respective ends secured between saidhousings 6. In a jointing machine, the combination of amain frame, achain-guide frame, said :nain frame having a recess at its top forreceiving said chain-guide frame and positioning the same laterally,said chain-guide framebeing stationarily secured at its ends to saidmain frame and being spaced from said main frame throughout its lengthbetween its ends, tables on said main frame having plane feedingsurfaces, said chainguide frame having chain-guide; ays therein normallyparallel rich the feeding surfaces of said tables, an endless feed-chainthe streif hes .whereof travel in and are guided by ear guideways, andmeans for springing said chain-guide frame into curved form throughoutills length bet-seen itsends for correspondingly r-urving saidchain-guideways-oizt of'parahel iii ruith said tables.

a 7. In a omtmg maclnm, the combination of a main rrame provided. withtables having plane upper surfaces,- and a chain-guideway frame rigidlysecured at its ends upon said main frame and located between said tablesand havin chain-guideways therein normally para el in horizontal planeswith said plane upper surfaces of said tables, said main frame having arecess at its to between said tables forreceivin said ciainguidewayframe, an endless feeding-chain the stretches of which are uided by saiduideways, said stretches of feeding-chain being inside the outer edgesof said tables, pressure means for said stretches of feedingchainoutside the inner edges of said tables, said chain-guideway frame beingspaced from said main frame throu' hout its length between its ends, anda ho 0W bolt and a threaded bolt therein at each side of saidchain-guidevvay frame adjacentits middle way frame from its ends in acontinuous curve relatively to said tables, a power feedwheel at one endof said cha1n-loop,-.an idler-wheel at the other end of said chainloohousings for said wheels, the ends of sa1 between said housings and mainframe, substantially as described.

8. In a jointing machine, the combination of a main frame, tablesthereon having plane stock-supporting surfaces, a chain-guideway framerigidly secured at its ends to said main frame and located between saidtables and having chain guideways therein normally horizontally arallelwith said tables, .an endless feeding-c ain the stretches where'- oftravel in said c ain-guideways in opposite directions, pressure meansfor each of said stretches of feeding-chain, a cutter-head located invertical plane between each of said stretches and pressure means,independent, shafts for said cutter-heads located opposite each otherand spaced apart on said main frame, a shaving-chute in said main framecommon to both said cutterheads, said chain-guideway frame having anopening therethrough between said chainguideways cormnunicating withsaid shaving-chute, and a cover for said opening, substantially asdescribed. I

9. In a jointing machine, the combination of a main frame, achain-guidcway frame secured thereto, said chain-guideway frame havingchainguideways at its side edges, a feeding-chain the stretches whereofare caused to travel in said guideways in opposite directions, pressuremeans opposite each of said chain-guidcways, a table in vertical planebetween each of said stretches and pressure means, a cutter-headrotatable under each of said tables, shafts for said res ectivecutter-heads having axes norma ly parallel, the inner ends of saidshafts being spaced apart, a saddle for each of said chain-guidewayframebeing secured shafts, each of said saddles having a pivot closelyadjacent the cutter-head thereon, a slide for each of said saddles onwhich the same is ivoted, means for adjusting said slides in ependentlyup and down on said main frame, means between the outer ends of saidsaddles and slides for adjusting said saddles on their pivots, each ofsaid saddles having depending lugs located at the res ective sides ofsaid respective slides, and c ampingrods between said lugs for clamp ingsaid lugs to the sides of said respective slides, substantially asdescribed.

10'. In a jointing machine, the combination of a main frame, a table, acutter-head, a feeding-chain and a pressure-bar between which the boardis fed over the cutter-head, a board-support ivoted at the side of saidmain frame at t e feeding-out end of the latter, a recess in said tableat said boardsupport, saidboard-support having, a boardsu porting lingerreceived by said recess,

' be ow the horizontal plane of said table and in vertical plane, withsaid table, said linger being ad ustable to elevation above said tableby swinging said board-support upon 1 its pivot, and means tor clampingsaid board- 1 sup ort in, adjusted position, substantially as 'escribed.

11. In a ointing machine, the eonibination of a main frame, a chain-guidc hereon, a

feeding-chain having upright feeding faces I for said chain-guide, apressure-bar supported by said main frame, means for ad-.

justing said pressure-bar toward and from said feedin -faces, saidpressure-bar comprising a ousing having a longitudinal recess forforming an inner wall and upper and lower walls for said pressure-bar, aseries of roller-yokes in said recess, said roller-yokes having slidingside-contact with each other and sliding contact with said upperandlower Walls, said roller-yoki-s have threaded shanks and said rearwalls of said pressure-bar having apertures through which said shanksproject, springs surrounding said shanks for urging, said rolleryokestoward said feeding faces, and nuts on said threaded shanks outside saidpressure-bar for adjustably limiting said latter movement, substantiallyas described,

12. In a jointing machine of the character described, the combination ofa main frame, a chain-guide frame thereon, a pressure-bar opposite thelatter, a feedingwhain, said chain-guide frame having a groove in itsside in which said feeding-chain has feeding movement, saidfeeding-chain comprising links, one end of each of said links beingprovided with separated ears and the other end thereof provided with anintermediate ear, said ears of adjoining ends of adjacent links havingmating holes and the upper ear having an enlarged recess mating saidholes, a headed pin fitting loosely in said holes with its head receivedby said recess at adjoining ends of each pair of links, said chain-guideframe having adjoining but separated oil cups, one of which eommunieateswith the top of saidfeeding-chain while the other communicates with theside of said feedingehain, substantially as described.

ln testimony whereof, we have subscribed our names hereto in thepresence of two subscribing witnesses.

JOHN R, 'lllOMAS. BF/lldlt A. SOLEM. Wit nesses:

'lnos. l. EGAN,

ltieiniin l). Conn.

